/**
  ******************************************************************************
  * File Name          : ADC.c
  * Description        : This file provides code for the configuration
  *                      of the ADC instances.
  ******************************************************************************
  ** This notice applies to any and all portions of this file
  * that are not between comment pairs USER CODE BEGIN and
  * USER CODE END. Other portions of this file, whether
  * inserted by the user or by software development tools
  * are owned by their respective copyright owners.
  *
  * COPYRIGHT(c) 2017 STMicroelectronics
  *
  * Redistribution and use in source and binary forms, with or without modification,
  * are permitted provided that the following conditions are met:
  *   1. Redistributions of source code must retain the above copyright notice,
  *      this list of conditions and the following disclaimer.
  *   2. Redistributions in binary form must reproduce the above copyright notice,
  *      this list of conditions and the following disclaimer in the documentation
  *      and/or other materials provided with the distribution.
  *   3. Neither the name of STMicroelectronics nor the names of its contributors
  *      may be used to endorse or promote products derived from this software
  *      without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  ******************************************************************************
  */

/* Includes ------------------------------------------------------------------*/
#include "adc.h"
#include "gpio.h"

/* USER CODE BEGIN 0 */

/* USER CODE END 0 */

ADC_HandleTypeDef hadc1;

void MX_ADC1_Init(void);
unsigned int GetADC12BitValue(unsigned int *p_dat32);

adc_interface UserAdc = {
    MX_ADC1_Init,
    GetADC12BitValue,
};

/* ADC1 init function */
void MX_ADC1_Init(void)
{
    ADC_ChannelConfTypeDef sConfig;

    /**Configure the global features of the ADC (Clock, Resolution, Data Alignment and number of conversion)
    */
    hadc1.Instance = ADC1;
    hadc1.Init.ClockPrescaler = ADC_CLOCK_SYNC_PCLK_DIV2;
    hadc1.Init.Resolution = ADC_RESOLUTION_12B;
    hadc1.Init.ScanConvMode = ENABLE;													//ScanConvMode,ContinuousConvMode,DiscontinuousConvMode are very important
    hadc1.Init.ContinuousConvMode = DISABLE;
    hadc1.Init.DiscontinuousConvMode = ENABLE;
    hadc1.Init.NbrOfDiscConversion = 1;
    hadc1.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE;
    hadc1.Init.ExternalTrigConv = ADC_SOFTWARE_START;
    hadc1.Init.DataAlign = ADC_DATAALIGN_RIGHT;
    hadc1.Init.NbrOfConversion = 3;
    hadc1.Init.DMAContinuousRequests = DISABLE;
    hadc1.Init.EOCSelection = ADC_EOC_SINGLE_CONV;
    if (HAL_ADC_Init(&hadc1) != HAL_OK)
    {
        _Error_Handler(__FILE__, __LINE__);
    }

    /**Configure for the selected ADC regular channel its corresponding rank in the sequencer and its sample time.
    */
    sConfig.Channel = ADC_CHANNEL_0;						//BQ24073_ADC1_IN0
    sConfig.Rank = 1;
    sConfig.SamplingTime = ADC_SAMPLETIME_15CYCLES;
    if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK)
    {
        _Error_Handler(__FILE__, __LINE__);
    }

    sConfig.Channel = ADC_CHANNEL_10;						//NTC_ADC0
    sConfig.Rank = 2;
    if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK)
    {
        _Error_Handler(__FILE__, __LINE__);
    }

    sConfig.Channel = ADC_CHANNEL_11;						//NTC_ADC1
    sConfig.Rank = 3;
    if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK)
    {
        _Error_Handler(__FILE__, __LINE__);
    }
}

void HAL_ADC_MspInit(ADC_HandleTypeDef* adcHandle)
{

    GPIO_InitTypeDef GPIO_InitStruct;
    if(adcHandle->Instance==ADC1)
    {
        /* USER CODE BEGIN ADC1_MspInit 0 */

        /* USER CODE END ADC1_MspInit 0 */
        /* ADC1 clock enable */
        __HAL_RCC_ADC1_CLK_ENABLE();

        /**ADC1 GPIO Configuration
        PC0     ------> ADC1_IN10
        PC1     ------> ADC1_IN11
        PA0-WKUP     ------> ADC1_IN0
        */
        GPIO_InitStruct.Pin = NTC_ADC0_Pin;
        GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
        GPIO_InitStruct.Pull = GPIO_NOPULL;
        HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);

        GPIO_InitStruct.Pin = BQ24073_ADC1_IN0_Pin;
        GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
        GPIO_InitStruct.Pull = GPIO_NOPULL;
        HAL_GPIO_Init(BQ24073_ADC1_IN0_GPIO_Port, &GPIO_InitStruct);

        /* USER CODE BEGIN ADC1_MspInit 1 */

        /* USER CODE END ADC1_MspInit 1 */
    }
}

void HAL_ADC_MspDeInit(ADC_HandleTypeDef* adcHandle)
{

    if(adcHandle->Instance==ADC1)
    {
        /* USER CODE BEGIN ADC1_MspDeInit 0 */

        /* USER CODE END ADC1_MspDeInit 0 */
        /* Peripheral clock disable */
        __HAL_RCC_ADC1_CLK_DISABLE();

        /**ADC1 GPIO Configuration
        PC0     ------> ADC1_IN10
        PC1     ------> ADC1_IN11
        PA0-WKUP     ------> ADC1_IN0
        */
        HAL_GPIO_DeInit(GPIOC, NTC_ADC0_Pin);

        HAL_GPIO_DeInit(BQ24073_ADC1_IN0_GPIO_Port, BQ24073_ADC1_IN0_Pin);

        /* USER CODE BEGIN ADC1_MspDeInit 1 */

        /* USER CODE END ADC1_MspDeInit 1 */
    }
}

/* USER CODE BEGIN 1 */

/****************************************************************************************************************************
* @Functions:GetADC12BitValue()
* @Description:
* @Input:AdcChannel:adc channel in the mcu
* @Output:
* @Return:12b adc value
* @Others:
* @History:
****************************************************************************************************************************/
unsigned int GetADC12BitValue(unsigned int *p_dat32)										//ADC_CHANNEL_0   ADC_CHANNEL_10   ADC_CHANNEL_11
{
    unsigned short i;

    for(i=0; i<2; i++)
    {
        if(HAL_ADC_Start(&hadc1) != HAL_OK)
        {
            return 0;
        }

        if(HAL_ADC_PollForConversion(&hadc1, 50) != HAL_OK)											//Wait for regular group conversion to be completed.  single mode
        {
            return 0;
        }

        (*(p_dat32+i))=HAL_ADC_GetValue(&hadc1);

    }

    HAL_ADC_Stop(&hadc1);

    return 1;
}

/* USER CODE END 1 */

/**
  * @}
  */

/**
  * @}
  */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

